Infrared analysis of paper printability
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United States of America Patent
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Oct 23, 1990
Issued Date -
N/A
app pub date -
Sep 22, 1989
filing date -
Jul 11, 1988
priority date (Note) -
Expired
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Abstract
The printability of paper coated with kaolinite clay is dependent upon the flatness of kaolinite alumino-silicate clay platelets on the surface thereof. The flatness is determined by calculating the ratio of two infrared absorption bands from two specific types of structural hydroxyls characteristic of kaolinite clay platelet crystals.
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